(05 Jan 2019, 9:33 pm)Michael wrote Seems a odd swap, why?
(05 Jan 2019, 9:34 pm)Malarkey wrote Gathering to provide extra capacity on the X6/X7 due to the Arriva strike, should've used deckers if any were available.
No double-deck vehicles were available, so high capacity single-decks had to suffice.